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Connect the vacuum line to the vacuum pipe connector (6). The outlet air can exit the pump through the
exhaust silencer (2), or can be piped away through an additional pipe connector.
The vacuum performance will be reduced if the vacuum line is either too restrictive or too long.
The electrical installation should only be made by a qualified electrician and according to EN 60204 and the
regulations of the local power supplier. The main switch must be provided as disconnecting device by the
operator.
The electrical data can be found on the motor nameplate (20). The connection diagram can be found on the inside
of the terminal box (unless a cable and plug is fitted). Check the motor data with available power supply (voltage,
frequency, maximum current).
A suitable cable strain relief must be provided (e.g. via a cable clamp).
The pumps shall be protected against short-circuit with a circuit-breaker. We recommend also that any motor
protection switch should be fitted with a time delayed trip. This is due to the brief high ampere draw when starting
from cold.
If the connecting cable is damaged or broken, it shall be displaced by the manufacturer or a qualified electrician to
prevent electrical hazard.
The appliance must only be assembled or used according to its protection type.
Storage:
The VTE should be stored at a relative air humidity valve from 30% to 80% and at a temperature from -20° C to
+60° C. Above 80% relative air humidity suitable additional packaging with a drying agent should be used.
Initial operation (B 1):
The vacuum port (6) should be open or not restricted; otherwise the vanes may break if the pump rotates
in the wrong direction.
Check motor direction by briefly staring the pump and comparing the direction of rotation with that on the motor
nameplate (20).
Vacuum regulation valve: (Pos 3 – Accessories): The setting of the vacuum regulation valve determines the
maximum vacuum as described in the operation instructions.
During operation:
Pumps which have reached their operating temperature may have a surface temperature as high as
100°C. To avoid burning, do not touch.
Do not manually transport the pump while in operation.
The internal pump parts are self-lubricating. To avoid damage, do not allow lubricants to enter the pump.
Regularly clean the air filter and check the condition of the vanes (see service information).
Noise emission:
The use of ear protection for longer exposures to operating pumps is recommended.
Service and maintenance (B1):
During service the pump must be isolated from the power source and made certain that re-connection is
not possible. To prevent burning injuries due to hot parts, servicing should not be undertake on pumps
which are at operating temperatures.
To ensure satisfactory opeartion, only use original service parts.
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